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Wild Blue Indigo

Photos are representative and may not match your specific variety.

Wild Blue Indigo

Native wildflower

Baptisia australis

  • Partial sun
  • Zones 3–9
  • 60 days to maturity
  • Flowers
  • 36" spacing
  • Low water
  • Perennial
  • pH 6–7.5
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  • Overview

    A stunning prairie native that produces dramatic spikes of deep blue lupine-like flowers in late spring, followed by attractive seed pods that rattle in the wind. This long-lived perennial forms impressive clumps over time and is virtually maintenance-free once established, making it a cornerstone plant for naturalized gardens.

  • Planting

    Scarify seeds and soak overnight before planting. Direct sow in fall or start indoors after cold stratification. Seeds need 30-60 days cold treatment.

  • Growing

    Sun: partial. Water: low. Soil pH: 6–7.5. Space plants 36" apart. Germination: 14-30.

  • Pests & diseases

    Common pests: Generally pest-free, occasionally aphids. Common diseases: Root rot in poorly drained soil, otherwise disease-free.